Cost 1500 watt for 1 hour?
Electricity is sold to consumers thru meters that record kilowatt hours: 1000 watts turned on for 1 hour= 1kwh or kilowatt hour. If cost for 1 kwh = $0.10, then 1500 watts for 1 hour would cost 15 cents. Varies by location of the country. Check your utility bill for exact cost per kwh.